body,
a:-webkit-any-link,
h1,
h2,
h3,
h4,
h5,
h6,
.h1,
.h2,
.h3,
.h4,
.h5,
.h6 {
  color: #000;
  margin: 0;
  padding: 0;
  font-family: "Helvetica Neue", "Roboto", "Segoe UI", "微软雅黑", sans-serif
}

textarea,
input[type="text"],
input[type="password"],
input[type="datetime"],
input[type="datetime-local"],
input[type="date"],
input[type="month"],
input[type="time"],
input[type="week"],
input[type="number"],
input[type="email"],
input[type="url"],
input[type="search"],
input[type="tel"],
input[type="color"] {
  color: #000
}

a {
  text-decoration: none
}

p {
  margin: 0
}

img {
  width: 100%;
  display: block
}

html,
body,
#root {
  height: 100%;
}
